#include <iostream>

using namespace std;

void change(int num1, int num2);

int main(void)
{
	int num1, num2;
	cout << "number1 = ";
	cin >> num1;
	cout << "number2 = ";
	cin >> num2;

	change(num1, num2);

	return 0;
}

void change(int num1, int num2)
{
	int t;
	t = num1;
	num1 = num2;
	num2 = t;
	cout << "number1 = " << num1 << endl;
	cout << "number2 = " << num2 << endl;
}
